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From:
Carl Friedrich Claus
To:
Charles Robert Darwin
Date:
24 Jan 1869
Source of text:
DAR 161: 176
Summary:

Sends a paper on reproductive modes of Leptodera ["Organisation und Fortpflanzen von Leptodera", Schr. Ges. Beförd. Naturw. Marburg (1869)].

Criticises Ernst Haeckel’s work as too unripe and enthusiastic.

Asks CD for some specimens of cirripedes in pupal stage for a work in progress.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Thomas Campbell Eyton
Date:
24 Jan 1869
Source of text:
American Philosophical Society (Mss.B.D25.359)
Summary:

Has heard that book by Alphonse M[ilne]-Edwards [? Recherches anatomiques et paléontologiques, 4 vols. (1867–71)] is excellent.

Asks when horns appear on young male fallow deer.

Contributor:
Darwin Correspondence Project
Text Online
From:
Ferdinand von Mueller
To:
James Hector
Date:
24 January 1869
Source of text:
A644, Mitchell Library, State Library of New South Wales, Sydney
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
From:
Archibald McNeill
To:
Charles Robert Darwin
Date:
24 Jan 1869
Source of text:
DAR 83: 175–6
Summary:

Answer to CD’s query as to whether horns on deer are for use or ornament. [See Descent 2: 252–3.]

Contributor:
Darwin Correspondence Project
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From:
Sir John Herschel
To:
William Benjamin Carpenter
Date:
[24 January 1869]
Source of text:
RS:HS 5.196 & 24.247
Summary:

Thanks for his report on dredging operations. Comments on the findings.

Contributor:
John Herschel Project